EP0571115A3 - A humidity meter - Google Patents

A humidity meter Download PDF

Info

Publication number
EP0571115A3
EP0571115A3 EP9393303589A EP93303589A EP0571115A3 EP 0571115 A3 EP0571115 A3 EP 0571115A3 EP 9393303589 A EP9393303589 A EP 9393303589A EP 93303589 A EP93303589 A EP 93303589A EP 0571115 A3 EP0571115 A3 EP 0571115A3
Authority
EP
European Patent Office
Prior art keywords
humidity meter
humidity
meter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP9393303589A
Other versions
EP0571115A2 (en
EP0571115B1 (en
Inventor
Tsutomu Kotani
Shiro Nakagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Publication of EP0571115A2 publication Critical patent/EP0571115A2/en
Publication of EP0571115A3 publication Critical patent/EP0571115A3/en
Application granted granted Critical
Publication of EP0571115B1 publication Critical patent/EP0571115B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
EP93303589A 1992-05-19 1993-05-10 A humidity meter Expired - Lifetime EP0571115B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3987492U 1992-05-19
JP039874U JPH0592706U (en) 1992-05-19 1992-05-19 Humidity detector
JP39874/92U 1992-05-19

Publications (3)

Publication Number Publication Date
EP0571115A2 EP0571115A2 (en) 1993-11-24
EP0571115A3 true EP0571115A3 (en) 1994-08-24
EP0571115B1 EP0571115B1 (en) 2000-02-16

Family

ID=12565136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93303589A Expired - Lifetime EP0571115B1 (en) 1992-05-19 1993-05-10 A humidity meter

Country Status (4)

Country Link
US (1) US5396796A (en)
EP (1) EP0571115B1 (en)
JP (1) JPH0592706U (en)
DE (1) DE69327859T2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103764978A (en) * 2011-09-20 2014-04-30 日立汽车系统株式会社 Air physical quantity detection device
CN104204733A (en) * 2012-03-30 2014-12-10 克洛纳测量技术有限公司 Measuring device housing having a viewing pane

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3067010B2 (en) * 1994-02-09 2000-07-17 ティーディーケイ株式会社 Absolute humidity sensor
JP2613358B2 (en) * 1994-02-17 1997-05-28 ティーディーケイ株式会社 Humidity sensor
US5672823A (en) * 1996-04-10 1997-09-30 Joseph Pollak Corporation Front-removable gauge
AT3238U1 (en) * 1998-02-11 1999-11-25 E & E Elektronik Gmbh COMPONENT FOR GAS CONCENTRATION MEASUREMENT
DE19856414C2 (en) * 1998-12-08 2001-03-29 Karlsruhe Forschzent Gas analyzer
US6254008B1 (en) * 1999-05-14 2001-07-03 Honeywell International, Inc. Board mounted sensor placement into a furnace duct
KR100351810B1 (en) * 1999-12-13 2002-09-11 엘지전자 주식회사 absolute humidity sensor
US6553813B2 (en) * 2000-02-29 2003-04-29 Rynhart Research Limited Moisture meter with impedance and relative humidity measurements
US6573704B2 (en) * 2000-12-21 2003-06-03 Sun Microsystems, Inc. Method and apparatus for isolating an ambient air temperature sensor
US6622546B2 (en) * 2001-12-21 2003-09-23 Juen-Kong Wu Moisture content tester for non-destructive multipurpose testing
US20040050188A1 (en) * 2002-09-13 2004-03-18 Sparky Industries, Inc. Portable sensor
DE10322017B8 (en) * 2003-05-16 2005-02-24 Sitronic Gesellschaft für elektrotechnische Ausrüstung mbH. & Co. KG sensor unit
JP4718882B2 (en) * 2005-04-08 2011-07-06 株式会社日立製作所 Sensor node
TW200725821A (en) * 2005-12-27 2007-07-01 Unimems Mfg Co Ltd Package structure for gas sensor and package method thereof
US7802472B1 (en) * 2007-08-21 2010-09-28 Fluke Corporation Ruggedized sensor probe
US8141422B2 (en) * 2008-04-25 2012-03-27 Hall David L Detector housing
US8015873B2 (en) * 2008-04-25 2011-09-13 Hall David L Detector housing
US7963453B2 (en) * 2008-05-19 2011-06-21 Honeywell International Inc. Versatile HVAC sensor
US20110011180A1 (en) * 2009-07-17 2011-01-20 John Wilson Sensor housing assembly facilitating sensor installation, replacement, recovery and reuse
DE102011102606A1 (en) 2011-05-27 2012-11-29 Ika-Werke Gmbh & Co. Kg Stirrer with a stirring tool and with a drive motor
US10741345B2 (en) * 2015-01-09 2020-08-11 Broan-Nutone Llc Humidity wall control
USD809407S1 (en) 2015-01-09 2018-02-06 Broan-Nutone Llc Humidity wall control
ES2930404T3 (en) * 2017-12-21 2022-12-12 Evco S P A Moisture measurement device and system
JP6960645B2 (en) * 2018-06-21 2021-11-05 フィガロ技研株式会社 Gas detector and gas detection method
US10734035B1 (en) * 2018-07-30 2020-08-04 Seagate Technology Llc Humidity control system for heat-assisted magnetic recording hard disk drive
JP7205195B2 (en) 2018-11-27 2023-01-17 日本電信電話株式会社 Humidity sensor device
US20220382325A1 (en) * 2019-11-06 2022-12-01 Nippon Telegraph And Telephone Corporation Wearable Sensor Device and Monitoring System
US11991820B2 (en) * 2020-12-18 2024-05-21 Comcast Cable Communications, Llc Apparatus with airflow chamber
US20230003604A1 (en) * 2021-06-30 2023-01-05 Therm-O-Disc, Incorporated Sensor Assembly And Refrigerant Sensing System

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298855A (en) * 1980-08-26 1981-11-03 Honeywell Inc. Conductive polymer film humidity sensor
JPS5815147A (en) * 1981-07-20 1983-01-28 Mitsubishi Electric Corp Humidity detecting device of air conditioning machine
EP0095180A1 (en) * 1982-05-21 1983-11-30 Nae Wae Electric Co.,Ltd. Alarm device for use in a baby's diaper
US4514722A (en) * 1983-05-18 1985-04-30 Batcheler Jerry H Domestic automatic continuously monitoring soil moisture monitor/indicator
EP0183643A1 (en) * 1984-10-28 1986-06-04 Intersensor SA System for measuring the moisture content in continuous or discontinuous processes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943245A (en) * 1955-06-20 1960-06-28 American Instr Co Inc Humidity control device
US3719810A (en) * 1971-12-15 1973-03-06 Battelle Development Corp Analog circuits for calculating relative humidity from dew point and dry bulb temperature information
US4399404A (en) * 1981-02-23 1983-08-16 Resh Roy E Moisture tester with probe
DE3128949A1 (en) * 1981-07-22 1983-02-10 Basf Ag, 6700 Ludwigshafen LIGHT-SENSITIVE RECORDING MATERIALS FOR THE PRODUCTION OF SCRUBBING AND SCRATCH-RESISTANT PRINTING MOLDS AND METHOD FOR THE PRODUCTION OF gravure FORMS BY MEANS OF THESE RECORDING MATERIALS
US4643351A (en) * 1984-06-14 1987-02-17 Tokyo Sanyo Electric Co. Ultrasonic humidifier
US4706808A (en) * 1986-10-23 1987-11-17 Research Products Corporation Humidistat with improved mounting
US4869874A (en) * 1988-01-13 1989-09-26 Westvaco Corporation Atmospheric corrosivity monitor
GB2214696A (en) * 1988-01-19 1989-09-06 Mitsubishi Electric Corp Controlling humidity in magnetic disc apparatus
FR2629204B1 (en) * 1988-03-25 1990-12-14 Oreal DEVICE FOR PERFORMING A MEASUREMENT OF THE WATER CONTENT OF A SUBSTRATE, IN PARTICULAR OF THE SKIN
US4942383A (en) * 1989-03-06 1990-07-17 Honeywell Inc. Low cost wet-to-wet pressure sensor package
US5065625A (en) * 1989-05-12 1991-11-19 Tdk Corporation Humidity meter
US5060108A (en) * 1990-01-25 1991-10-22 Texas Instruments Incorporated Packaging and sealing for pressure transducer
DE4034185A1 (en) * 1990-10-26 1992-04-30 Lambrecht Wilhelm Gmbh DEVICE FOR MEASURING THE STEAM PARTIAL PRESSURE

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298855A (en) * 1980-08-26 1981-11-03 Honeywell Inc. Conductive polymer film humidity sensor
JPS5815147A (en) * 1981-07-20 1983-01-28 Mitsubishi Electric Corp Humidity detecting device of air conditioning machine
EP0095180A1 (en) * 1982-05-21 1983-11-30 Nae Wae Electric Co.,Ltd. Alarm device for use in a baby's diaper
US4514722A (en) * 1983-05-18 1985-04-30 Batcheler Jerry H Domestic automatic continuously monitoring soil moisture monitor/indicator
EP0183643A1 (en) * 1984-10-28 1986-06-04 Intersensor SA System for measuring the moisture content in continuous or discontinuous processes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 7, no. 90 (P - 191) 14 April 1983 (1983-04-14) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103764978A (en) * 2011-09-20 2014-04-30 日立汽车系统株式会社 Air physical quantity detection device
CN104204733A (en) * 2012-03-30 2014-12-10 克洛纳测量技术有限公司 Measuring device housing having a viewing pane
CN104204733B (en) * 2012-03-30 2016-08-24 克洛纳测量技术有限公司 Measurement apparatus casing with observation window

Also Published As

Publication number Publication date
US5396796A (en) 1995-03-14
DE69327859D1 (en) 2000-03-23
DE69327859T2 (en) 2000-07-06
EP0571115A2 (en) 1993-11-24
EP0571115B1 (en) 2000-02-16
JPH0592706U (en) 1993-12-17

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